Home / 3,642,573.78-5,027,409.72-2,172,576.60

Finding the Fourth Proportional to 3,642,573.78, 5,027,409.72 and 2,172,576.60

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Solution

The fourth proportional to 3,642,573.78, 5,027,409.72 and 2,172,576.60 is: 2,998,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,573.78 : 5,027,409.72 = 2,172,576.60 : x
  2. Step 2: Convert to fraction form
    3,642,573.78/5,027,409.72 = 2,172,576.60/x
  3. Step 3: Cross multiply
    3,642,573.78x = 5,027,409.72 × 2,172,576.60
  4. Step 4: Simplify right side
    3,642,573.78x = 10,922,432,716,284.55
  5. Step 5: Solve for x
    x = 10,922,432,716,284.55/3,642,573.78
  6. Step 6: Final answer
    x = 2,998,548.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.